Vangvannarath S, Umpunkaw R, Chawapun N. The Comparison of the Outputs between the Opened Fields and the Shielded Fields of the Electron Energies 9, 12 and 15 MeV. J Assoc Med Sci [Internet]. 2015 Feb. 15 [cited 2024 May 18];37(1):37. Available from: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60226